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Operating Instructions CP VARITHERM DNPA HI
Page 6 / 7
HOM177737483Ien-7
INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany ·
+49 9445 9532-0 · [email protected]
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L
N
PE
NTC
RS 485
F1
TC DIGITAL
CP...THERM...HI
external sensor
br=brown bl=blue ye/gn=yellow/green bk=black gr=grey
bl br gn/ye
gr bk
+
A
B
Ground
Illustration 3:
Smart Heater HI System with TC
9
Commissioning
If the heater is installed in accordance with the notes in
the
Page 4]
section and
sections,
then
the
radiator
may
be
commissioned.
CAUTION
Sufficient heat dissipation must be ensured.
Unauthorized covers must be removed as otherwise
there is the risk of the heater overheating.
The heating circuit is permanently disconnected by a
temperature melt fuse which can't be reset if these
installation instructions are not adhered to.
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Maintenance
The design of the device does not require any
maintenance.
Functional and safety test intervals can be freely
selected by the operator in accordance with the
applicable regulations.
Repairs may only be carried out by the manufacturer in
the factory.
All components have to be kept clean and free of dust
and harmful substances that could lead to excessive
temperature rise.
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Troubleshooting
If the heater fails, check the installation. Carry out a
continuity test on the heating circuit. Pay attention to the
connection diagram and switching point of the
thermostat!
In the case of overheating, the thermal indicator (see
figure) indicates a discoloration. If more than four fields
are blackened, the heater must be uninstalled and
returned to the manufacturer for inspection.
Illustration 4:
Temperature indicator
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Deinstallation
Disassembly may only be carried out by a trained
person.
DANGER
Risk of fatal injury from electric current!
If contact is made with live components, there is the risk
of fatal injury.
For this reason, switch off the voltage supply, secure
against being switched on again and check that no more
voltage is present.
Disconnect connection line from the clamps and from the
connection socket, disconnect device from bracket and
remove it.
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Disposal
Disassemble the components of the product, taking the
applicable local labour protection and environmental
regulations into consideration and make sure that the
components are recycled:
• Scrap metal
• Send plastic elements to recycling
• Sort other components according to their material
properties and dispose of them.
